/*
 * Copyright 2020 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.kie.kogito.index.graphql.query;

import java.util.HashMap;
import java.util.Map;

import graphql.schema.GraphQLInputObjectType;

public class GraphQLQueryParserRegistry {

    private static final GraphQLQueryParserRegistry REGISTRY = new GraphQLQueryParserRegistry();

    private final Map<String, GraphQLQueryParser> queryParser = new HashMap<>();

    private GraphQLQueryParserRegistry() {
    }

    public static GraphQLQueryParserRegistry get() {
        return REGISTRY;
    }

    public void registerParser(GraphQLInputObjectType type) {
        queryParser.put(type.getName(), new GraphQLQueryMapper().apply(type));
    }

    public void registerParsers(GraphQLInputObjectType... types) {
        for (GraphQLInputObjectType type : types) {
            registerParser(type);
        }
    }

    public GraphQLQueryParser getParser(String name) {
        return queryParser.get(name);
    }
}
